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Contents
7.12.9.9 Removing the Left Cover ......
..........................................................................................................7- 61
7.12.9.10 Removing the Laser Unit...............................................................................................................7- 61
7.12.9.11 Removing the Hopper Assembly...................................................................................................7- 62
7.12.9.12 Removing the Toner Level Sensor ................................................................................................7- 63
7.12.10 Toner Feedscrew Motor .......................................................................................................................7- 63
7.12.10.1 Removing the Front Cover Unit ....................................................................................................7- 63
7.12.10.2 Removing the Waste Toner Case...................................................................................................7- 64
7.12.10.3 Removing the Toner Cartridge......................................................................................................7- 64
7.12.10.4 Removing the Drum Unit ..............................................................................................................7- 65
7.12.10.5 Removing the Developing Assembly............................................................................................7- 66
7.12.10.6 Removing the Upper Tray .............................................................................................................7- 67
7.12.10.7 Removing the Toner Cartridge Cover ...........................................................................................7- 68
7.12.10.8 Removing the Pre-Exposure Lamp................................................................................................7- 68
7.12.10.9 Removing the Left Cover ..............................................................................................................7- 68
7.12.10.10 Removing the Laser Unit.............................................................................................................7- 69
7.12.10.11 Removing the Hopper Assembly.................................................................................................7- 70
7.12.10.12 Removing the Toner Feedscrew Motor .......................................................................................7- 71
7.12.11 Static Charge Eliminator .......................................................................................................................7- 71
7.12.11.1 Removing the Static Eliminator.....................................................................................................7- 71
Chapter 8 Pickup/Feeding System
8.1 Construction.
......................................................................................................................................................8- 1
8.1.1Specifications, Controls, and Functions ......................................................................................................8- 1
8.1.2Division into Blocks ....................................................................................................................................8- 2
8.1.3Division into Blocks ....................................................................................................................................8- 3
8.1.4Arrangement of Rollers ...............................................................................................................................8- 4
8.1.5Arrangement of Rollers ...............................................................................................................................8- 5
8.1.6Diagram of Paper Paths (printer on its own) ...............................................................................................8- 6
8.1.7Diagram of Paper Paths (w/ copy tray ).......................................................................................................8- 7
8.1.8Diagram of Paper Paths (w/ 3 Way Unit-A1 /copy tray).............................................................................8- 8
8.1.9Diagram of Paper Paths (w/ Finisher-S1/copy tray)....................................................................................8- 9
8.1.10Diagram of Paper Paths (w/ Finisher-Q3/Saddle Finisher-Q4)...............................................................8- 10
8.1.11Arrangement of Sensors ..........................................................................................................................8- 11
8.1.12Arrangement of Sensors ..........................................................................................................................8- 12
8.1.13Route of Drive .........................................................................................................................................8- 14
8.1.14Route of Drive .........................................................................................................................................8- 14
8.2 Basic Sequence ................................................................................................................................................8- 17
8.2.1Basic Sequence .........................................................................................................................................8- 17
8.2.2Increase in Speed.......................................................................................................................................8- 17
8.2.3Increase in Speed.......................................................................................................................................8- 20
8.3 Detecting Jams.................................................................................................................................................8- 23
8.3.1 Delivery Jams........................................................................................................................................ ...8- 23
8.3.1.1 Delay Jam Outside the Cassette Pickup Assembly.................................................................... .. ....8- 23
8.3.1.2 Delay Jam in the Cassette Pickup Assembly........................................................................ ............8- 23
8.3.2 Stationary Jams ...................................................................................................................... ... ..............8- 24
8.3.2.1 Common Stationary Jam............................................................................................ . ....................8- 24
8.3.2.2 Stationary Jam at Power-On ............................................................................... ... ..........................8- 25
8.3.3 Other Jams............................................................................................................. ... ...............................8- 25
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